Find the function value to four decimal places.Find cos ? when sin ? = 0.8000 and tan ? < 0.
A. -0.6000
B. -0.6667
C. -0.8660
D. -1.7321
Answer: A
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Solve the problem.A long strip of sheet metal 12 inches wide is to be made into a small trough by turning up two sides at right angles to the base. If the trough is to have maximum capacity, how many inches should be turned up on each side?
A. 3 inches B. 4 inches C. 4 inches on one side, 5 inches on the other D. 6 inches
Express the vector in the form ai + bj.
if P1 is the point (1, -4) and P2 is the point (3, -7)
A. v = 2i - 3j B. v = -2i - 3j C. v = -i + 3j D. v = -2i + 3j
Solve.The weight of a liquid is directly proportional to its volume V. If the weight of the liquid in a cubical container with side length 4 cm is 192 g, find the weight of the liquid in a cubical container 3 cm on a side.
A. 15 g B. 9 g C. 27 g D. 81 g